Genesis 27:21

21 And Isaac said to Jacob, Draw night to me, and I will feel thee, son, if thou art my son Esau or not.

Genesis 27:21 Meaning and Commentary

Genesis 27:21

And Isaac said unto Jacob, come near, I pray thee, that I may
feel thee, my son
Still suspecting some fraud in the case; and whereas he knew that Esau was a hairy man, and Jacob smooth, he thought by feeling he could discover the imposture, if there was any: whether thou [be] my very son Esau, or not;
which he still pretty much questioned.

Genesis 27:21 In-Context

19 And Jacob said to his father, I, Esau thy first-born, have done as thou toldest me; rise, sit, and eat of my venison, that thy soul may bless me.
20 And Isaac said to his son, What is this which thou hast quickly found? And he said, That which the Lord thy God presented before me.
21 And Isaac said to Jacob, Draw night to me, and I will feel thee, son, if thou art my son Esau or not.
22 And Jacob drew nigh to his father Isaac, and he felt him, and said, The voice Jacob's voice, but the hands the hands of Esau.
23 And he knew him not, for his hands were as the hands of his brother Esau, hairy; and he blessed him,

The Brenton translation of the Septuagint is in the public domain.